Courtesy of Toyota Motor Sales Usa Inc Check Dlc

The vehicle's ECM uses the ISO 9141-2 communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 9141-2 format.

Toyota Avalon Dlc Location

Fig. 10: Identifying DLC3 Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

Fig. 10: Identifying DLC3 Connector

Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

TERMINAL VOLTAGE AND CONDITION

Terminal No.

Connection/Voltage or Resistance

Condition

7

Bus + Line/Pulse generation

During transmission

4

Chassis Ground <--> Body Ground/1 ohm or less

Always

5

Signal Ground <-- > Body Ground/1 ohm or less

Always

16

Battery Positive <--> Body

Always

2004 ACCESSORIES & EQUIPMENT Air Conditioning System - Diagnostics - Sequoia

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